<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">

function boom()
{
  var w = document.getElementById("w");
  var q = document.getElementById("q");
  var e = document.createTextNode("");
  document.documentElement.appendChild(document.body);
  w.appendChild(e);
  document.documentElement.offsetHeight;
  w.removeChild(q);
  document.documentElement.offsetHeight;
  e.data += " x ";
}

</script>
</head>

<body onload="boom();"><span id="w">s&#x202E;<span id="q"></span><div></div><span>a</span></span></body>
</html>
